Figure 3: Connector Locations; Table 1: Connector Descriptions - Broadcom BCM91125E User Manual

BCM91125E
C
ONNECTORS
Figure 3 shows the location of each of the connectors on the board. These connectors are defined in Table 1.
Exact pin descriptions for the more complex connectors are documented in "Supplemental
Information" on page 15.
Board ID
J2
J3
J8
J11
J12
J14
J15
J17
J18
J19
J21
J22
J23A
J23B
* = Pin1 located is indicated by the * on this figure. It can also be identified by viewing the back of the board for the square solder pad.
Page 6 Connectors

Figure 3: Connector Locations

Table 1: Connector Descriptions

Description
Dual-sided 62-pin edge finger PCI connector.
HyperTransport socket for motherboards (see Table 14 on page 15).
Serial port 0 RS-232 connector.
ROM emulator connector (see Table 16 on page 19).
ROM emulator write line (pin1* = IO_WR_L, pin2 = no connect).
DEBUG_L trigger for scope (pin1* = GND, pin2 = DEBUG_L).
EJTAG connector.
Mezzanine connector (see Table 15 on page 17).
1.2V core supply sense (pin1* = GND, pin2 = 1.2V).
Standard hard drive power supply connector.
2.5V supply sense (pin1* = GND, pin2 = 2.5V).
3.3V supply sense (pin1* = GND, pin2 = 3.3V).
10/100/1000 Mbps Ethernet Port E1.
10/100/1000 Mbps Ethernet Port E0.
B roadc om C or por ati on
User Manual
04/27/05
Document 91125E-UM100-R